[Relay][Training] Add and fix gradients (#4126)
authorAltan Haan <altanh@cs.washington.edu>
Wed, 16 Oct 2019 14:32:29 +0000 (07:32 -0700)
committerWuwei Lin <wuwei@apache.org>
Wed, 16 Oct 2019 14:32:29 +0000 (10:32 -0400)
commit46fa6eebcd397ab5e8524ed5da5820b482886ba9
treed212ad341642c3d0143a726e105d86c3052bcb9c
parent1c0e7435cca6e1e128b4b9edb3017dc42a54ffba
[Relay][Training] Add and fix gradients (#4126)

* add and fix gradients

* fix linter issues
python/tvm/relay/op/_tensor_grad.py
tests/python/relay/test_op_grad_level2.py
tests/python/relay/test_op_grad_level4.py